Extrinsic 61102-1

{
  "heartbeat": {
    "blockNumber": 61101,
    "sessionIndex": 1018,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0x42017649ead83c1c793752b2be5a2ac1e50ec18f07107694eb0b1b2e6d550a50164a66ff9cd3d4d73bed39ac2ac3d17e8f0937143a46c2425aa1a1aaca67d88d"
}